Question

how do you make a t-table for
y = x2 + 4x + 1

Answer 1

take each of the x's below and substitute into the equation and find out what y is,
then write next to the corresponding x

x y
-2
-1
0
1
2

Answer 2

(-2)2 + 4(2) + 1 = -3
x y
-2 3

Answer 3

then just keep going

Answer 4

if you have a graphing calculator, you can enter it into Y=
and look at the table, 2nd graph

Answer 5

make sense?